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| author | Bob Moore <robert.moore@intel.com> | 2015-12-29 06:56:53 +0100 |
|---|---|---|
| committer | Rafael J. Wysocki <rafael.j.wysocki@intel.com> | 2016-01-01 03:47:35 +0100 |
| commit | 7910617efb5188c0b8dedab1857b12d078957a79 (patch) | |
| tree | ecfb79e7c2175a3526f9b10fe5a7559cfa2af7b5 /drivers/acpi/acpica/exmisc.c | |
| parent | ACPICA: acpiexec/acpinames: Update for error checking macros (diff) | |
| download | linux-7910617efb5188c0b8dedab1857b12d078957a79.tar.xz linux-7910617efb5188c0b8dedab1857b12d078957a79.zip | |
ACPICA: Concatenate operator: Add extensions to support all ACPI objects
ACPICA commit 3420c1f5e6c6dd4fe51be4d98da69b3197d608df
Emits strings for all the object types besides int/str/buf.
This simplifies and extends the usefulness of the Printf macros.
Link: https://github.com/acpica/acpica/commit/3420c1f5
Signed-off-by: Bob Moore <robert.moore@intel.com>
Signed-off-by: Lv Zheng <lv.zheng@intel.com>
Signed-off-by: Rafael J. Wysocki <rafael.j.wysocki@intel.com>
Diffstat (limited to '')
| -rw-r--r-- | drivers/acpi/acpica/exmisc.c | 41 |
1 files changed, 36 insertions, 5 deletions
diff --git a/drivers/acpi/acpica/exmisc.c b/drivers/acpi/acpica/exmisc.c index a8ce8a8778b3..f598b3948c17 100644 --- a/drivers/acpi/acpica/exmisc.c +++ b/drivers/acpi/acpica/exmisc.c @@ -247,6 +247,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, union acpi_operand_object *local_operand1 = operand1; union acpi_operand_object *return_desc; char *new_buf; + const char *type_string; acpi_status status; ACPI_FUNCTION_TRACE(ex_do_concatenate); @@ -266,10 +267,41 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, break; case ACPI_TYPE_STRING: + /* + * Per the ACPI spec, Concatenate only supports int/str/buf. + * However, we support all objects here as an extension. + * This improves the usefulness of the Printf() macro. + * 12/2015. + */ + switch (operand1->common.type) { + case ACPI_TYPE_INTEGER: + case ACPI_TYPE_STRING: + case ACPI_TYPE_BUFFER: + + status = + acpi_ex_convert_to_string(operand1, &local_operand1, + ACPI_IMPLICIT_CONVERT_HEX); + break; - status = - acpi_ex_convert_to_string(operand1, &local_operand1, - ACPI_IMPLICIT_CONVERT_HEX); + default: + /* + * Just emit a string containing the object type. + */ + type_string = + acpi_ut_get_type_name(operand1->common.type); + + local_operand1 = acpi_ut_create_string_object(((acpi_size) strlen(type_string) + 9)); /* 9 For "[Object]" */ + if (!local_operand1) { + status = AE_NO_MEMORY; + goto cleanup; + } + + strcpy(local_operand1->string.pointer, "["); + strcat(local_operand1->string.pointer, type_string); + strcat(local_operand1->string.pointer, " Object]"); + status = AE_OK; + break; + } break; case ACPI_TYPE_BUFFER: @@ -348,8 +380,7 @@ acpi_ex_do_concatenate(union acpi_operand_object *operand0, /* Concatenate the strings */ strcpy(new_buf, operand0->string.pointer); - strcpy(new_buf + operand0->string.length, - local_operand1->string.pointer); + strcat(new_buf, local_operand1->string.pointer); break; case ACPI_TYPE_BUFFER: |